York 3 year old furnace 7 blink error


  #1  
Old 03-10-13, 06:01 PM
K
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York 3 year old furnace 7 blink error

I have a York model GY9S080C16DH11K that came with the new house 3 years ago. I noticed that the vents were blowing cool air instead of warm air the other day. So I flipped the kill switch off and on and everything seemed to work fine. But, it wasn't fine because I noticed the same thing yesterday. I paid more attention this time and noticed that the furnace will heat up and work fine the first time after I turn it on, but then at some point in the future, the vents would be blowing cool air again. So took off the panel to see the 7 blink error code. From another post in this forum, I found the flame sensor and sanded off the buildup but this didn't seem to fix the issue. What should I try next?

Thanks
 
  #2  
Old 03-28-13, 07:51 AM
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Fixed

For all who stumble across this post later, I managed to fix the furnace. I found a $20 replacement controller board on eBay and installed that. Works great now!
 
 

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